Adds document journalization

app/models/document.rb

@@ -16,11 +16,11 @@ class Document < ActiveRecord::Base
   belongs_to :category, :class_name => "DocumentCategory", :foreign_key => "category_id"
   acts_as_attachable :delete_permission => :manage_documents
 
-  #acts_as_journalized :event_title => Proc.new {|o| "#{Document.model_name.human}: #{o.title}"},
-  #    :event_url => Proc.new {|o| {:controller => '/documents', :action => 'show', :id => o.journaled_id}},
-  #    :event_author => (Proc.new do |o|
-  #      o.attachments.find(:first, :order => "#{Attachment.table_name}.created_on ASC").try(:author)
-  #    end)
+  acts_as_journalized :event_title => Proc.new {|o| "#{Document.model_name.human}: #{o.title}"},
+      :event_url => Proc.new {|o| {:controller => '/documents', :action => 'show', :id => o.journaled_id}},
+      :event_author => (Proc.new do |o|
+        o.attachments.find(:first, :order => "#{Attachment.table_name}.created_on ASC").try(:author)
+      end)
 
   acts_as_searchable :columns => ['title', "#{table_name}.description"], :include => :project
 

app/models/journal/document_journal.rb

@@ -0,0 +1,26 @@
+#-- encoding: UTF-8
+#-- copyright
+# OpenProject is a project management system.
+#
+# Copyright (C) 2012-2013 the OpenProject Team
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License version 3.
+#
+# See doc/COPYRIGHT.rdoc for more details.
+#++
+
+class Journal::DocumentJournal < ActiveRecord::Base
+  self.table_name = "document_journals"
+
+  @@journaled_attributes = [:project_id,
+                            :category_id,
+                            :title,
+                            :description,
+                            :created_on]
+
+  def journaled_attributes
+    attributes.symbolize_keys.select{|k,_| @@journaled_attributes.include? k}
+  end
+
+end